Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

I am an odd number. Take away a letter and I become even. What number am I?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

What breaks yet never falls, and what falls yet never breaks?

One night, a woman receives a call from the police. They tell her that her husband was murdered and that she should come to the crime scene as soon as possible. The woman drops the phone, shocked, and drives 20 minutes to the crime scene. As soon as she reaches the crime scene, the police arrest her and she is convicted of murder. How do the police know she committed the crime?

I know a nine-letter word having only one vowel.
Do you ?